The order of the scripts are important. Make sure you add the jquery library first. Then, the timepicker code must be called inside a document.ready function. Use Firefox's Error Console to see if you get any javascript errors.
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StefanOct 11 '12 at 6:22

I tried it man. Its working when i add a input field in my page, but its not working for me, inside the form. I have to modify in their jtable file. But i think i'm adding the script wrongly. I'm new to jquery thing.
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AllenOct 11 '12 at 6:13

NB: You must use $("input.timepicker") or $(".timepicker") when you select the input elements to be transformed.
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StefanOct 11 '12 at 9:52

Its not working Stefan. in fact the table itself itself not loading.
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AllenOct 11 '12 at 10:08

@Allen: OK, do it in steps. First get the table working without the datepicker and inputs - first, simply display the time as a value in your Start Time column. Then, specify that the time values should be inputs. When you have that right, specify the inputClass, and then add the datetimepicker code.
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StefanOct 11 '12 at 10:12

I tried like this and its working fine. I updated JQuery and JQuery UI to the latest version. Imported it in my php along with the timepicker plugin i am using. I did some modification in my code. Here is the working code.